<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/>
  <title></title>
  <style>
	*{
		margin: 0;
		padding: 0;
	}
	body{
		/*text-align: center;*/
	}
	#d1{
		width: 800px;
		height: 200px;
		border: 1px solid #aaa;
		margin: 0 auto;
	}
	#d2{
		border: 1px solid #aaa;
		margin-top: -10px;
	}
  </style>
 </head>

 <body>
  <div id="d1">一个区块</div>
  <hr/>
  <div>一个区块</div>
  <div id="d2">二个区块</div>

  <ul>
	<li>鱼香肉丝</li>
	<li>宫保鸡丁</li>
	<li>酸菜鱼</li>
  </ul>
 </body>
</html>
